Interdental brush



FIG. 1 is a front view of an interdental brush showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is an enlarged top view thereof;

FIG. 4 is an enlarged bottom view thereof;

FIG. 5 is a front view of an embodiment of an interdental brush showing my new design; and,

FIG. 6 is a left side view thereof.

The rear view of FIG. 1 is a mirror image of FIG. 1 and the right side view of FIG. 2 is a mirror image of FIG. 2.

The rear view of FIG. 5 is a mirror image of FIG. 5 and the right side view of FIG. 6 is a mirror image of FIG. 6.

The handle of the interdental brush may comprise two different materials. These two different materials are indicated by the shaded regions and the non-shaded regions in FIGS. 5 to 6. The material of the shaded regions may be softer than the material of the non-shaded regions.

The portions of the interdental brush shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an interdental brush, as shown and described. 